* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    transition: .3s;
    box-sizing: border-box;
}
body {
    font-size: 16px;
}
.flex-common {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.container {
    width: 1200px;
    margin: 0 auto;
}
.h {
    height: 100%;
}